8814749521 has 4 divisors (see below), whose sum is σ = 8847276544. Its totient is φ = 8782222500.

The previous prime is 8814749393. The next prime is 8814749527. The reversal of 8814749521 is 1259474188.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8814749521 - 2⁷ = 8814749393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8814749527) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16263105 + ... + 16263646.

It is an arithmetic number, because the mean of its divisors is an integer number (2211819136).

Almost surely, 2^8814749521 is an apocalyptic number.

It is an amenable number.

8814749521 is a deficient number, since it is larger than the sum of its proper divisors (32527023).

8814749521 is a wasteful number, since it uses less digits than its factorization.

8814749521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32527022.

The product of its digits is 645120, while the sum is 49.

The square root of 8814749521 is about 93886.8974937398. The cubic root of 8814749521 is about 2065.7130444492.

The spelling of 8814749521 in words is "eight billion, eight hundred fourteen million, seven hundred forty-nine thousand, five hundred twenty-one".